\begin{tabular}{l*{5}{c}}
\toprule
            &\multicolumn{1}{c}{\shortstack{Cand. wins,\\t+1}}&\multicolumn{1}{c}{\shortstack{Cand. runs,\\t+1}}&\multicolumn{1}{c}{\shortstack{Cand. qualif.,\\t+1}}&\multicolumn{1}{c}{\shortstack{Orient nb. other\\cand., t+1}}&\multicolumn{1}{c}{\shortstack{Orient nb. all\\cand., t+1}}\\\cmidrule(lr){2-2}\cmidrule(lr){3-3}\cmidrule(lr){4-4}\cmidrule(lr){5-5}\cmidrule(lr){6-6}
            &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}\\
\midrule
RD\_Estimate &       0.051&       0.060&       0.101&      -0.027&      -0.038\\
            &     (0.022)&     (0.044)&     (0.033)&     (0.143)&     (0.142)\\
\midrule
Robust p-value&       0.107&       0.039&       0.001&       0.991&       0.944\\
Observations&        1490&        1490&        1490&        1143&        1143\\
Polynomial order&           1&           1&           1&           1&           1\\
Bandwidth   &       0.025&       0.025&       0.025&       0.025&       0.025\\
Mean, left of threshold&       0.024&       0.259&       0.087&       1.902&       2.149\\
\bottomrule
\end{tabular}
